A pencil appears to be tient the point where it enter the water in a This phenomenon is due to which of the following

Aregular polygon has angkes of size 150° each.how many side has the polygon

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.

Debris produced by mining is called